FR2274807B1 - - Google Patents

Info

Publication number: FR2274807B1
Authority: FR; France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

FR7518469A

Other languages

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sundstrand Corp

Original Assignee

Sundstrand Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-06-13

Filing date

1975-06-12

Publication date

1979-03-23

1974-06-13 Priority claimed from US05/479,130 external-priority patent/US3953150A/en

1975-06-12 Application filed by Sundstrand Corp filed Critical Sundstrand Corp

1976-01-09 Publication of FR2274807A1 publication Critical patent/FR2274807A1/fr

1979-03-23 Application granted granted Critical

1979-03-23 Publication of FR2274807B1 publication Critical patent/FR2274807B1/fr

Status Granted legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
- F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

FR7518469A 1974-06-13 1975-06-12 Roue a aubes de pompe centrifuge Granted FR2274807A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/479,130 US3953150A (en)	1972-02-10	1974-06-13	Impeller apparatus

Publications (2)

Publication Number	Publication Date
FR2274807A1 FR2274807A1 (fr)	1976-01-09
FR2274807B1 true FR2274807B1 (nl)	1979-03-23

Family

ID=23902774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7518469A Granted FR2274807A1 (fr)	1974-06-13	1975-06-12	Roue a aubes de pompe centrifuge

Country Status (7)

Country	Link
JP (1)	JPS5113402A (nl)
BR (1)	BR7503657A (nl)
DE (1)	DE2525316A1 (nl)
ES (1)	ES438542A1 (nl)
FR (1)	FR2274807A1 (nl)
IT (1)	IT1036988B (nl)
NL (1)	NL7507112A (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4128362A (en) *	1977-04-22	1978-12-05	Dresser Industries, Inc.	Flushing and cooling system for pumps
US4131386A (en) *	1977-05-05	1978-12-26	Sundstrand Corporation	Sealing system for centrifugal pump
FI87009C (fi) *	1990-02-21	1992-11-10	Tampella Forest Oy	Skovelhjul foer centrifugalpumpar
JPH09264293A (ja) *	1996-03-29	1997-10-07	Ebara Corp	セラミックス製羽根車の取付構造
DE102011007907B3 (de) *	2011-04-21	2012-06-21	Ksb Aktiengesellschaft	Laufrad für Kreiselpumpen
CN103835988B (zh) *	2014-03-11	2016-01-06	门立山	一种离心泵叶轮
US10533570B2 (en) *	2015-12-07	2020-01-14	Fluid Handling Llc	Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump
RU204897U1 (ru) *	2021-02-08	2021-06-17	Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ")	Центробежное рабочее колесо с двухсторонним входом

1975
- 1975-06-06 DE DE19752525316 patent/DE2525316A1/de active Pending
- 1975-06-10 BR BR7504688D patent/BR7503657A/pt unknown
- 1975-06-12 FR FR7518469A patent/FR2274807A1/fr active Granted
- 1975-06-13 ES ES438542A patent/ES438542A1/es not_active Expired
- 1975-06-13 NL NL7507112A patent/NL7507112A/nl unknown
- 1975-06-13 IT IT5004475A patent/IT1036988B/it active
- 1975-06-13 JP JP7100475A patent/JPS5113402A/ja active Pending

Also Published As

Publication number	Publication date
BR7503657A (pt)	1976-06-29
JPS5113402A (ja)	1976-02-02
ES438542A1 (es)	1977-05-16
DE2525316A1 (de)	1975-12-18
NL7507112A (nl)	1975-12-16
IT1036988B (it)	1979-10-30
FR2274807A1 (fr)	1976-01-09

Publication	Publication Date	Title
FR2257607A1 (nl)	1975-08-08
FR2274807B1 (nl)	1979-03-23
FI752940A7 (nl)	1976-05-16
FR2258579A1 (nl)	1975-08-18
FR2262656A1 (nl)	1975-09-26
AU7459074A (nl)	1976-04-29
AU7459574A (nl)	1976-04-29
AU495844B2 (nl)	1976-06-10
FR2257061B1 (nl)	1978-04-14
AU7205174A (nl)	1976-02-05
AU7474774A (nl)	1976-04-29
CS177319B1 (nl)	1977-07-29
CH591628A5 (nl)	1977-09-30
BG20683A1 (nl)	1975-12-20
BG19703A1 (nl)	1975-10-10
BG19694A1 (nl)	1975-10-10
BG19621A1 (nl)	1975-10-10
DD117501A5 (nl)	1976-01-12
BG19620A1 (nl)	1975-10-10
BG19739A1 (nl)	1975-10-10
BE829996A (nl)	1975-12-09
BE829579A (nl)	1975-11-28
CH602236A5 (nl)	1978-07-31
BG19772A1 (nl)	1975-10-10
BG20151A1 (nl)	1975-11-05

Legal Events

Date	Code	Title	Description
1979-08-24	ST	Notification of lapse